When you receive an incoming call to your phone number, your other telephones (cell, home phone, car phone) will ring as well and the first one answered will be connected to the caller. Basically the call will be routed to all phone sets, which you will list in simultaneous ring option.
Agabar specializes in Structured Cabling Design and Installation, Audio/Video Products, Voice over IP Products and Services, Network Switching, Routing and Advanced Communication Systems, Wireless Technology, and Office Supplies.